A young girl dies and is reincarnated into a video game. But when she finds out that her role is the villainess destined for doom, she takes measures to change the game and avoid that fate.

Katarina Claes is the only daughter of a duke. One day she hits her head so hard that she remembers her past life, during which she played a game very similar to her life now. She is now an antagonist of the otome game and she knows every possible outcome. With her knowledge of the game, she tries to avoid a route that will end with her death, or exile. Will her knowledge save her?—Scientiiaa

Katarina Claes is the only daughter of a duke. One day she hits her head so hard that she remembers her past life, during which she played a game very similar to her life now. She is now an antagonist of the otome game and she knows every possible game route. With her knowledge of the game, she tries to avoid a route that will end with her death, or exile. Will her knowledge save her?—Scientiiaa